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Round|Lab Grown|IGI

1.56ct H VS2 Round Lab Grown Diamond

EX • H/VS2 • IGI LG770631697

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770631697

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of October 29, 2026
Save £620 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £775 GBP at With Clarity · As of October 29, 2026
View at With Clarity

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770631697 or 770631697. Listed at 16 retailers as of October 29, 2026, with prices from £154 to £775, a £620 spread on the same certified stone. With Clarity lists it at £775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770631697
Dimensions7.44 × 7.43 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.43 mm1.56 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770631697
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £369 GBP|Low: £154 GBP|High: £804 GBP|Avg: £481 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
With Clarity
October 30, 2026
Retailer 13£154 GBP
Retailer 10£172 GBP
Retailer 9£179 GBP
Retailer 4£193 GBP
Retailer 15£193 GBP
Retailer 11£331 GBP
Retailer 1£369 GBP
Retailer 8£440 GBP
Retailer 6£504 GBP
Retailer 3£619 GBP
Retailer 14£622 GBP
Retailer 5£625 GBP
Retailer 7£634 GBP
Retailer 12£656 GBP
Retailer 2£773 GBP
With Clarity£775 GBP

34 data points across 16 retailers

16 retailers£154 GBP to £775 GBP

A
Cheapest Retailer
-
£154 GBP
$207 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
Final sale: no returns
A
Retailer 3
-
£179 GBP
$240 USD
View
A
Retailer 4
-
£193 GBP
$258 USD
View
A
Retailer 5
-
£193 GBP
$258 USD
View
B+
Retailer 6
-
£331 GBP
$444 USD
View
A
Retailer 7
-
£369 GBP
$494 USD
View
A
Retailer 8
-
£440 GBP
$589 USD
View
Retailer 9
-
£504 GBP
$675 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£619 GBP
$830 USD
View
B
Retailer 11
-
£622 GBP
$833 USD
View
B+
Retailer 12
-
£625 GBP
SGD 1,131 SGD
View
B+
Retailer 13
-
£634 GBP
$850 USD
View
B+
Retailer 14
-
£656 GBP
$878 USD
View
B+
Retailer 15
-
£773 GBP
View
Most Expensive
B+
With Clarity
770631697 · Oct 29
£775 GBP
$1,038 USD
View
15 more retailers have this diamond
Prices start from £154 GBPSave up to £620 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.56ct Round
£154 GBP